Numerade

Questions asked

ANSWERED

Aparna Shakti

Numerade educator

The Edwards's Theater chain has studied its movie customers to determine how much money they spend on concessions. The study revealed that the spending distribution is approximately normally distributed with a mean of Php205.50 and a standard deviation of Php68.50. What percentage of customers will spend less than Php150.00 on concessions?

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Steven Clarke

Numerade educator

6. Weekly pocket expenses (in $) of 30 students of class VIII are 37, 41, 39, 34, 71, 26, 56, 61, 58, 79, 83, 72, 64, 39, 75, 39, 37, 59, 57, 37, 53, 38, 49, 45, 70, 82, 44, 37, 79, 76. Construct the grouped frequency table with the class interval of equal width such as 30-35. Also, find the range of the weekly pocket expenses.

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Breanna Ollech

Numerade educator

4. The marks obtained out of 25 by 30 students of a class in the examination are given below. 20, 6, 23, 19, 9, 14, 15, 3, 1, 12, 10, 20, 13, 3, 17, 10, 11, 6, 21, 9, 6, 10, 9, 4, 5, 1, 5, 11, 7, 24 Represent the above data as a grouped data taking the class interval 0 - 5.

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Kimi I.